Part Number:TPS54J061
搭建TPS54J061的仿真电路后,可以正常仿真无报错,但是输出电压为0
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Johnsin Tao:
HI
很可能是模式问题,建议你采用在线仿真webench.
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Ping An:
这是整个电路的一部分,最终不是为了只仿真这部分。
发现昨天的电路没有电感,添加了电感重新做仿真。参数按照application重新做了修改,出现了如下报错:
ERROR(ORPSIM-15138): Convergence problem in Transient Analysis at Time = 10.00E-12. Time step = 119.1E-21, minimum allowable step size = 1.000E-18
These voltages failed to converge:
V(N00777) = 12.61uV \ 370.71nV V(X_U1.U5_VRAMP_CHARGE) = 2.224uV \ 65.36nV V(X_U1.U4_N16776766) = 12.61uV \ 370.56nV V(X_U1.U4_N16777263) = 12.61uV \ 370.54nV V(X_U1.U7_N16774922) = 12.61mV \ 370.71uV V(X_U1.U1_N16781214) = 12.61uV \ 370.71nV V(X_U1.X_U7_U13.INP1) = 1.709V \ 1.703V V(X_U1.X_U7_U13.INM1) = -1.704V \ -1.698V V(X_U1.X_U7_U13.INM2) = -1.709V \ -1.703V
These supply currents failed to converge:
I(X_U1.E_U9_ABM1) = -15.26uA \ -7.963pA I(X_U1.X_U7_U13.EIN) = -170.88uA \ -170.27uA I(X_U1.X_U7_U13.EHYS) = 170.88uA \ 170.27uA I(V_V1) = -125.00mA \ -14.90nA I(X_U1.X_U9_U26.v1) = 3.660nA \ -1.094pA I(X_U1.X_U8_U13.v1) = 3.660nA \ -1.094pA I(X_U1.X_U1_U16.v1) = 3.660nA \ -1.094pA I(X_U1.X_U1_U27.v1) = 3.660nA \ -1.094pA
These devices failed to converge: X_U1.D_U1_D17 X_U1.X_U9_U26.d_d11 X_U1.X_U8_U13.d_d11 X_U1.X_U1_U16.d_d11 X_U1.X_U1_U27.d_d11 X_U1.X_U2_U870.d1
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Ping An:
另外,模式问题指什么?
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Ping An:
option修改为auto converge后,不报错。但是仍然没有输出